Free Online Highlight Specific Character Tool
The Highlight Specific Character tool allows you to visually highlight chosen character(s) in your text by adding custom characters or strings before and after each occurrence. It's perfect for marking letters, symbols, or words with brackets, stars, or other tags directly in your browser — no installation, no uploads, completely private.
How It Works:
Paste your text, enter the character(s) to highlight, and specify the characters or strings to insert before and after each instance. Click "Convert" to update your text instantly with visible markers.
Example:
Character(s) to Highlight: a
Surround Before: [
Surround After: ]
Input:
Banana apple grape
Output:
B[a]n[a]n[a] [a]pple gr[a]pe